.data-value{
    background-color:#fff0;
    width: 100%;
    border: 0;
}
.update-data-div{
    position: fixed;
    top: 40%;
    left: 35%;
    width: 40%;
}
.nav{
    margin-top: 30px;
}
.concle_button{
    float: left;
    left: 10%;
}
.nav li:last-child{
    float: right;
    right: 10%;
}